Nursery-tree digger.



11de l" 1:11.? REER" Z519 all whom may @ence/rn.'

lle it known thntflmy l" citizen oi' the United fi of unertine, intheceiling-J l: (""al have inve ,d eer-- tain ne'iv :ind useful niprovenieiin hier Sery-'ree igrgers, or vvhieh the following is :t SpecificationMy invention relutee te n nursery tree digger in which e movable powerunit is anchored in elinenient with n roiv of trees' :ind utilizedoperate cutting element whereby the Seid trees orming; the roiv may rresident he removed rioni the ground repidly effec-W,

tively .find Witl'iout injury thereto.'

@ne object et my invention i; to provide e device of the chere indicatedwhich includes menne for effecting; :i nnilforni peli upon "h Sider; offluenuttiny element; 'which ie I ivi i nii-une elleeting inoveinent oi'fthe device i, iditure oi" pl'river; vvh'eh nroA np'enient oit' pov/ertransient-- ivherehy the, mechanism 'for i en e: g elemen ihe rire andthe nieehnnisni for operfniing: tl, entrino element niej; be operi'notion with Y i "l '.ifnrther object oit iny inve. tion to :i device oi?the ehuraiel'er indien'ted the' i einfstrueted :iS to he rendilynnehored in nnsition, :rnd thnt will he inple in one 'alien sind Cheapto niennlfnerl lilith chew und other ohieets; in view7 the inventionrousing in the, novel :ind useful provision. "fornnitioin eoieztrnetioineolnhinelien :ind relnl'ive arrangement of perl5, ineinhem` :ind interesull :le hereinniter ile- Serihed. Shown in the, d nivings :ind finallypointed ont in the elziinis.

n the. drawings: n

Figure 1 ie n plan view of my invention with noi-tienel oi the ehiliiingr nieelmnisin und eutting; niegzhnnimn removed. y

'Figa Q is :i eide elevation of the invention es shown in Fig. 1.

Fig. 3 iS sectional view on line 8 3 'of Fie. l

sited inden enrh oll .invention :inrhored in inmilion with theniel'zliunissni set YFor the iioeitioningr ol the 1i Ulli.

'fetten :Een Remember f new fr. JACKSON, a.

Speeileaton er Letters tentent. jffgrt einlgrjfi Apr., @2&7 1,9315?,

Serial No. 268,299.

' Upon beams 1-1 is i'ioeitioned a Suitable motor 4 and trzinsvereelypositioned shafts und 7 operating in hein-ings (-G and 8 8 respectively,Shaft 5 is operated hy motor i through the medium of driveshn'igt 9connected to fly-Wheel 10 by n .suitehle Clutch es 10" operated by lever11, and Shaft 'Y is operated hy shaft 5 through the medium of gears 12end 13. Shaft T also carries :i terminal gripsy-Spool 1f1 for thepurpose hereinufter Speeied.

in additional shaft 15 is mounted on heeren 1-1 parallel with shaft 7sind operetes in hearings 1(` -1G, end carries a gear 1'? xedly securedneer one end thereof. On Shu'tt 7 is eiidnbly mounted n gear 18opersiting on :t feather 19 und thrown into and dilerentiel whereby enequal pull is transmitted to (fehlen 27 und 28 :ittnehed to theirrespective drums. Attached to the outer ends of ediles 37 :ind 28 is :Lcutter Q9 dew signed to be. drnwn under the root Systems of n roiv ol'nursery trees and thereby out the Suid trees loose, from the ground.

1n operating the cutter 2f) the deviCe :there described is :nichered inelinement with n row of trees in any suitable niunner ne hy firmlyembeddingT in thegrouni'apeir et nests es' O-l() und plm-ine' n hernn 31So :is to engage the seine. fr enhle, 32 is ntznfhed to the toi-werd erdof 'the device und :i rhein 27,3 is Seeured to ezihle 22 :md benin Ill.rl`he `n'ezir is new thrown out of mesh with freni 17 :is indienl'ed inFig. 1 whereby the enhles :ZT :1nd 25% muy he unwound und entier 12S)properly positioned withoutl operating :my ol' the nieelmnisinsconnected t `When the ruiter 2S) is in posii the geur 1H is thrown iniemesh with 17 :ind the, elutrl.l l()l thrown into en gipsy-spool li.

operative position thereby Causing thereables QT and 28 to wind upevenly on drums 2l and as 'indicated in Fig. lf, the elnteh la beingdisengaged again when the last tree has been removed.

it the device is to 'be inoved laterally to a new position in alinementwith an adjacent row of trees, then gear i8 is 'thrown out or"engagement with .gear l? and gipsy-spool ifi on shaft 7 only is operatedat will by the engagement or disengagement of elnteli i0 with iig/wheell0. It pulley-block 3i is attached to the drum end of one beam l and anangle bar is attached to the opposite end ol the salue beam l, the anglebar beingr provided with a plurality of holes 3G,

A cable 37 is now hooked to a rentral hole 36 therA passed through ullevbloel: 38, thence through pulley-block 34 and around The pulley-bleek his seenred by eabletlto a ilved post not shown. The eluteh l0 now beingthrown into an operative position the Cable 37 is pull-ed in by theoperation of spool A andthe. whole device moved YlateralljvT into a newposition. It' for any reason it is desired to move the. device al anoblique angle. as when an obstrnetion l0 is encountered, then the Cable3T is attaehed to an inwardly positioned hole, as lvin `Fig. (i, and thedesired angie lar movement secured. rihe outwardly positioned holes 3Upermit adjustments tor angular movement in the opposite diree-y tion.

The speeilie forni. of supporting structure shown and desrrbed iseonsidered necessary and so elaimed4 because. the Cables Q7 and 23 `mustbe operated rlose. to the ground in order lo serure prope arlion of thecutter.

it is desired that the drum operating nieehanism and (he nierhanism iorshitting the deviee laterally be lapable. of simultaneous operationlier-anse in praetiee it .is

usually desirable to first position the (levice. as shown in dotted.lines at 4l and then when the eutl'er is put into operation to opwithrespect to said motor, three horizontalparallel shafts revolubly mountedon saideams at right angles to said driving shaft, fixed gearconnect-ions between the driving shaft and the first ofsaid parallelshafts, xed gear Connections between the rst and second oi.z saidparallel shafts, a gipsy-spool mounted on one end of the second of saidparallel shafts, disengageable gear connections between the second andthird of said parallel shafts, a pair of Cable operating drums revolublymounted on said third parallel shaft, a differential drive connectingsaid d ruins to said last mentioned shaft, and adjustable means operatedthrough the Inedum of'said gipsy-spool and its driving mechanism formoving said device. I

2. A nursery tree digger as claimed in claim l in whieh the adjustablemeans foninow ing the device comprises a. cable operatediby saidgipsy-spool and its driving mechanism, a pulley-Ybloclengaging saidCable and attaehed to one of said beams adjacent said gipsy-spool, anexternal anchorage for said eable and means for adjustably attachingsaid cable to said beam at the end opposite to the said gipsy-spool.

in testimony whereof I have hereunto ailirred my signature this 18th dayof Decem- EDGAR A. JACKSN.

iler, 1918.

